Slotctl-Slot Control (D1:F0) - Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU Datasheet

Host-PCI Express* Graphics Bridge Registers (D1:F0)
8.1.40 SLOTCTL—Slot Control (D1:F0)
PCI Device:
Address Offset:
Default Value:
Access:
Size:
PCI Express slot related registers allow for the support of Hot-Plug.
Bit
15:10
9:8
7:6
5
4
3
2:1
0
142
Access &
Default
Reserved
R/W Power Indicator Control: Reads to this register return the current state of the
01b Power Indicator.
Writes to this register set the Power Indicator and cause the Port to send the
appropriate POWER_INDICATOR_* messages.
00 = Reserved
01 = On
10 = Blink
11 = Off
R/W Attention Indicator Control: Reads to this register return the current state of
11b the Attention Indicator.
Writes to this register set the Attention Indicator and cause the Port to send the
appropriate ATTENTION_INDICATOR_* messages.
00 = Reserved
01 = On
10 = Blink
11 = Off
R/W Hot plug Interrupt Enable:
0b
0 = Disable.
1 = Enables generation of hot plug interrupt on enabled hot plug events.
R/W Command Completed Interrupt Enable:
0b
0 = Disable.
1 = Enables the generation of hot plug interrupt when the Hot plug controller
completes a command.
R/W Presence Detect Changed Enable:
0b
0 = Disable.
1 = Enables the generation of hot plug interrupt or wake message on a
presence detect changed event.
Reserved
R/W Attention Button Pressed Enable:
0b
0 = Disable.
1 = Enables the generation of hot plug interrupt or wake message on an
attention button pressed event.
1
B8h
01C0h
R/W
16 bits
Description
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Intel 82925X/82925XE MCH Datasheet
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